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From Wikipedia:
I was wondering how to understand the right-down corner of the picture?
Are SATA,USB, Ethernet, mouse, keyboard, and serial/parallel ports connected to Southbridge via PCI bus? In other words, are the buses from Southbridge and Super I/O to "Cables and ports leading-off board" PCI buses?
2The used picture is outdated. Today Intel as well as AMD system don't have a Northbridge anymore. It is integrate into the CPU. – Robert – 2012-08-21T08:19:56.953